from tkinter import *

coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 30, 10, 30, 10, 20, 0, 20]

root = Tk()
root.title('ИТ марафон')
root.geometry('500x500')

X=int(input())
Y=int(input())
N=int(input())

if N==0 and x >=0 and x<=500 and Y>=0 and y <=500:
    pass
else:
    if N > 0 and 0 * N + X>=0 and 0 * N + Y>=0 and 20 * N + X<=500 and 20 * N + Y<=500:
        pass
    else:
        if N> 0 and 20 * N + X>=0 and 20 * N + Y>= 0 and 0 * N + X<=500 and 0 * N + Y<=500:
            pass
        else:
            print('Размеры фигуры превышают максимальный размер поля')
            exit()

canvas = Canvas(bg='white',width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)

canvas.create_polygon(coords[0] * N + X, coords[1] * N + Y,
coords[2] * N + X, coords[3] * N + Y,
coords[4] * N + X, coords[5] * N + Y,
coords[6] * N + X, coords[7] * N + Y,
coords[8] * N + X, coords[9] * N + Y,
coords[10] * N + X, coords[11] * N + Y,
coords[12] * N + X, coords[13] * N + Y,
coords[14] * N + X, coords[15] * N + Y,fill = 'purple')



root.mainloop ()